EP3242511A1 - Systèmes et procédés pour mettre en uvre une recherche de service multi-bande - Google Patents

Systèmes et procédés pour mettre en uvre une recherche de service multi-bande Download PDF

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Publication number
EP3242511A1
EP3242511A1 EP17178339.2A EP17178339A EP3242511A1 EP 3242511 A1 EP3242511 A1 EP 3242511A1 EP 17178339 A EP17178339 A EP 17178339A EP 3242511 A1 EP3242511 A1 EP 3242511A1
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EP
European Patent Office
Prior art keywords
service
service discovery
band
wireless communication
communication device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17178339.2A
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German (de)
English (en)
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EP3242511B1 (fr
EP3242511C0 (fr
Inventor
Carlos Cordeiro
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Intel Corp
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Intel Corp
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Application granted granted Critical
Publication of EP3242511B1 publication Critical patent/EP3242511B1/fr
Publication of EP3242511C0 publication Critical patent/EP3242511C0/fr
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/24—Negotiation of communication capabilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/14—Access restriction or access information delivery, e.g. discovery data delivery using user query or user detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Definitions

  • This disclosure relates to systems and methods for implementing unique multi-band service discovery protocols between communicating devices.
  • These communicating devices include wireless communicating devices supporting operations according to multiple standards and in different frequency bands, particularly in peer-to-peer or ad hoc networking schemes.
  • service discovery refers to schemes that enable a first communicating device, often a wireless communicating device, to automatically discover, or "sense,” the services that may be provided, or supported, by one or more second communicating devices with which the first communicating device attempts to establish communication.
  • the first communicating device may, for example, execute one or more service discovery protocols (SDPs).
  • SDPs are generally network communication protocols that provide for automatic detection and identification of (1) other (one or more second) communicating devices with which the communicating device may attempt to establish communication, and (2) the services offered by the other communicating devices operating in established or ad hoc communicating networks.
  • Service discovery is conventionally understood to require a common language that may allow the individual communicating devices to make use of the other device's services without the need for continuous user intervention.
  • service is intended to refer to a single utility, or a suite of utilities, that have meaning from a point of view of a user of a communicating device.
  • These services may include, for example, computing services, communicating services, printing services, display services, or the like.
  • Different standards may define different services and different service discovery protocols.
  • WFA Wi-Fi Alliance
  • P2P peer-to-peer
  • Device A 110 receives from Device B 150, an indication is provided that Device B 150 supports, for example, Wi-Fi Display. If Device A 110 also supports Wi-Fi Display, then both devices, Device A 110 and Device B 150, can proceed to start a Wi-Fi Display session between them.
  • a difficulty with an implementation such as that illustrated in the example shown in FIG. 1 is that it is based on an implicit assumption, as mentioned above, that the discovered service, in this instance Wi-Fi Display, can operate over both Band X 120,160 and Band Y 130,170. This assumption has generally been considered valid for existing implementations.
  • the multiple radios support disparate service systems operating according to different standards, and in different frequency ranges.
  • WiGig systems operating in the unlicensed 60 GHz frequency band may be supported in a same communicating device housing a Wi-Fi system operating in the unlicensed 2.4 and/or 5 GHz frequency band(s).
  • Many variations of communication technologies are being hosted on similarly appearing and seemingly similarly operating devices.
  • the disclosed systems and methods for implementing unique multi-band service discovery protocols between communicating devices will generally refer to this specific utility for those systems and methods.
  • Exemplary embodiments described and depicted in this disclosure should not be interpreted as being specifically limited to applicability to any particular communication standard or to communications in any particular frequency bandwidth.
  • the disclosed systems and methods may find applicability in implementations of at least IEEE 802.11 standard communications, as well as WiGig standard communications, Bluetooth standard communications, cellular standard communications and the like.
  • any particular wireless device whether generally static or mobile, should be understood as being exemplary only, and not limited, in any manner, to any particular class of wireless devices, transmitters or receivers.
  • the systems and methods according to this disclosure will be described as being particularly adaptable to heterogeneous multi-radio wireless communicating devices. This adaptation for the systems and methods according to this disclosure is intended to be exemplary only, and in no way limiting to the disclosed subject matter.
  • each service discovery frame transmitted between communicating devices may include an indication of the frequency band and channel that may support the services indicated by the service discovery frame.
  • the service discovery frame may be a service discovery query or a service discovery response.
  • Exemplary embodiments may expand on current capabilities in which cellular communicating devices may heterogeneously incorporate Wi-Fi radios operating in the 2.4 and 5 GHz frequency bands. Exemplary devices may facilitate local direct communications between communicating devices, including avoiding the need to pass through the Internet.
  • Exemplary embodiments may match service availability with an indication of supported communicating channels or bands in cooperating communicating devices. This matching may facilitate and/or optimize provision of a particular service directly between those cooperating communicating devices.
  • Exemplary embodiments may facilitate communications directly between cooperating communicating devices without reference to any base station or access point.
  • Exemplary schemes may identify common channels or frequency bands that the cooperating communicating devices may use to conduct communications of a particular service.
  • the particular service may be supported by only a subset of the available channels or frequency bands that may be available in either or both of the cooperating communicating devices for conducting direct communications between devices.
  • Device B 150 may be caused to include in a Service Discovery Response frame to Device A 110 an indication that the exemplary Wi-Fi Display service is supported only over Band X 120,160, only over Band Y 130,170, or over both (all) bands.
  • Device A 110 may also include an indication of supported frequency band(s) and channel(s). In this manner, the included information may indicate that Device A 110 is requesting from Device B 130 a responsive indication as to which services Device B 130 may support over the specified frequency band(s) and channel(s).
  • FIG. 2 illustrates a schematic representation of a multi-band service discovery protocol 200 according to this disclosure.
  • communicating device 1 210 which may be a peer-to-peer (P2P) communicating device, may emanate a probe request 230.
  • Communicating device 2 220 may respond with a probe response 240. These steps will allow for discovery of communicating device 2 220 by communicating device 1 210.
  • P2P peer-to-peer
  • communicating device 1 210 may proceed to discover the services available in, and supported by, communicating device 2 220.
  • communicating device 1 210 may only support communicating on bands R and T.
  • a service discovery query frame 250 may be transmitted from communicating device 1 210 to communicating device 2 220.
  • the service discovery query frame 250 may be used to specify that it only pertains to services that communicating device 2 220 supports over communicating bands R and T.
  • communicating device 2 220 in a service discovery response frame 260 does not report back to communicating device 1 any service that cannot be operated over communicating bands R and T.
  • communicating device 2 220 does not include in the service discovery response frame 260 services that can only operate over communicating band S.
  • communicating device 1 210 Upon reception of the service discovery response frame 260 that contains the services supported by communicating device 2 220 over communicating bands R and T, communicating device 1 210 decides to start a common communication service with communicating device 2 220 over communicating band T. Following the multi-band service discovery according to the above scheme, communicating device 1 210 sends signaling 270 to communicating device 2 220 that the service will be initiated over communicating band T. Service 280 may then be commenced with both communicating device 1 210 and communicating device 2 220 cooperatively communicating according to the service over communicating band T.
  • the disclosed scheme is flexible enough to determine which of several available communicating bands each of several potential communicating devices supports.
  • the disclosed scheme is also flexible enough to establish communications between respective pairs of communicating devices according to those determinations for the identified services.
  • the service discovery frames 250,260 are exchanged in a specific communicating channel/band, such as, for example, common communicating band R. It should be noted that the service discovery frames 250,260 can actually be transmitted in any channel and band as long as both communicating device 1 210 and communicating device 2 220 are operating to receive the transmitted frames.
  • FIG. 3 illustrates an exemplary frame format 300 of the fields that may be included in any frame that is meant to enable multi-band service discovery.
  • the operating class 310, channel number 330 and MAC address 350 may be specified. Inclusion of this frequency band and/or channel information in a frame indicates that the service capabilities signaled by the frame are applicable to the service noted.
  • the proposed scheme for multi-band service discovery allows one communicating device to discover the services of another communicating device in any communicating band.
  • These techniques will enable a new generation of multi-band capable communicating devices. These devices may be capable of requesting and/or advertising different service capabilities in different communicating bands between pairs of communicating devices.
  • FIG. 4 illustrates a block diagram of an exemplary system 400 for implementing a multi-band service discovery protocol according to this disclosure.
  • the exemplary system 400 may include a user interface 410 by which the user can communicate with the exemplary system 400, and initiate operations of the exemplary system 400 for multi-band service discovery.
  • the process of multi-band service discovery may be initiated by operation of one or more radio devices 470,480 that may be included in the exemplary system 400 or with which the exemplary system 400 may be associated.
  • the user interface 410 may be configured as one or more conventional mechanisms that permit a user to input information to the exemplary system 400.
  • the user interface 410 may include, for example, an integral keyboard, or a touchscreen with "soft" buttons for communicating commands and information to the exemplary systems 400, particularly when the system is housed, for example in a portable wireless communicating device.
  • the user interface 410 may alternatively include a microphone by which a user may provide oral commands to the exemplary system 400 to be "translated" by a voice recognition program or otherwise.
  • the user interface 410 may otherwise include any other like device for user operation of, and data exchange with, the exemplary system 400.
  • a user may make inputs via the user interface 410 to simply turn the exemplary system 400, or one or more radios 470,480, ON thereby initiating a communication and multi-band service discovery protocol process or scheme for the exemplary system 400.
  • the exemplary system 400 may include one or more local processors 420 for individually undertaking the processing and control functions that are carried out by the exemplary system 400.
  • Processor(s) 420 may include at least one conventional processor or microprocessor that interprets and executes instructions.
  • the processor(s) 420 may process outgoing and incoming signals via the different communication links, including one or more radios 470,480 associated with the exemplary system 400. This signal processing may facilitate the detailed multi-band service discovery protocol process or scheme according to the disclosed methods.
  • the exemplary system 400 may include one or more data storage devices 430.
  • Such data storage device(s) 430 may be used to store data, and operating programs or applications to be used by the exemplary system 400, and specifically the processor(s) 420.
  • Data storage device(s) 430 may include a random access memory (RAM) or another type of dynamic storage device that stores information and instructions for execution by the processor(s) 420.
  • Data storage device(s) 430 may also include a read-only memory (ROM), which may include a conventional ROM device or another type of static storage device that stores static information and instructions for execution by the processor(s) 420.
  • the data storage device(s) 430 will generally be those that are integral to the exemplary system 400.
  • the data storage device(s) 430 may include a remote data storage device external to the exemplary system 400 that is in wireless communication with the exemplary system 400. At least one of the data storage devices may be usable to store identifying data regarding the communicating band capabilities of, and the service protocols supported by, the exemplary system 400 or another communicating device with which the exemplary system 400 may be associated. The identifying data may be used to facilitate the initial service discovery between cooperating communicating devices.
  • An exemplary frame format such as that shown in FIG. 3 may be populated with the data appropriate to either or both of a service discovery query or a service discovery response in the manner discussed above.
  • the exemplary system 400 may include at least one data display device 440, which may be configured as one or more conventional mechanisms that display information to the user of the exemplary system 400.
  • the displayed information may be used by the user to facilitate operation of the exemplary system 400 in its various operating modes, or otherwise for displaying, for example, usable information on a resolved service protocol, as may be appropriate.
  • the exemplary system 400 may include an external data communication interface 450 by which the exemplary system 400 may communicate with component elements of the exemplary system 400 that are not integral to a single device, such as, for example, a portable wireless communicating device that may house most of the other elements of the exemplary system 400.
  • the exemplary system 400 may include a multi-band service discriminator 460.
  • the multi-band service discriminator 460 may be a specific component that may operate in conjunction with the processor(s) 420 and/or that may use information, such as data, stored in the data storage device(s) 430. Otherwise, the multi-band service discriminator 460 may operate more autonomously according to stored information and/or internal programming in the multi-band service discriminator 460 itself.
  • the multi-band service discriminator 460 may alternatively be a function of at least one of the processor(s) 420.
  • the multi-band service discriminator 460 may be used to format signals to be transmitted as service discovery request frames and/or to interpret signals that are received as service discovery response frames for executing the multi-service discovery protocols according to the disclosed schemes.
  • the exemplary system 400 may include a first radio 470 that is configured to operate according to one standard, and in one or more frequency bands.
  • the exemplary systems 400 may include at least one second radio 480 that is configured to operate according to another standard, and in one or more of the same or separate frequency bands from the first radio 470.
  • the multi-band frequency discriminator 460 may be usable to establish service communications with one or more communicating devices by establishing service capabilities between the first radio 470 and/or the at least one second radio 480, and the one or more communicating devices. It should be recognized that the use of a single multi-band service discriminator 460 provides efficiencies in execution of the multi-service discovery protocol process described above.
  • the single multi-band service discriminator 460 may be applied to one or more radios which the exemplary system 400 may include, or with which the exemplary system may be associated to heterogeneously combine communications for radios operating in different frequency bands and according to different standards.
  • All of the various components of the exemplary system 400 may be connected by one or more data/control busses 490.
  • the data/control bus(ses) 490 may provide internal wired or wireless communication between the various components of the exemplary system 400, as all of those components are housed integrally in the exemplary system 400, or are housed separately and in wired or wireless communication with the exemplary system 400.
  • the various disclosed elements of the exemplary system 400 may be arranged in combinations of sub-systems as individual components or combinations of components. All of the depicted components may be integral to a single unit that is exemplary system 400, and includes one or more radios 470,480. Otherwise, individual components, or combinations of components, may be separately presented and in wired or wireless communication with other of the individual components of the exemplary system 400, or with the one or more radios 470,480. In other words, no specific configuration as an integral unit including one or more radios or as a separate support unit associated with wireless communications using one or more radios for the exemplary system 400 is to be implied by the depiction in FIG. 4 .
  • the disclosed embodiment may include an exemplary method for implementing a multi-band service discovery protocol.
  • FIG. 5 illustrates a flowchart of such an exemplary method. As shown in FIG. 5 , operation of the method commences at Step S5000 and proceeds to Step S5100.
  • Step S5100 a first communicating device may search for or identify one or more second communicating devices with which the first communicating device may establish communications. Operation of the method proceeds to Step S5200.
  • Step S5200 following discovery of the one or more second communicating devices by the first communicating device, a service discovery query may be formatted to be transmitted from the first communicating device to the one or more second communicating devices.
  • the service discovery request may include channel and/or band indication information regarding the channels and/or bands that the first communicating device supports. Operation of the method proceeds to Step S5300.
  • the first communicating device may receive a service discovery response from the one or more second communicating devices.
  • the service discovery response may include available services information that may be supplemented by responsive channel and/or band indication information. Operation of the method proceeds to Step S5400.
  • Step S5400 based on the received information regarding available services and supported channels and/or bands, the first communicating device may determine an operating channel and/or band via which to conduct communications using a selected specific service. Operation of the method proceeds to Step S5500.
  • the first communicating device may be adjusted in a manner that tunes a transmitter, or may be adjusted in a manner that selects one of a plurality of discrete transmitters.
  • the adjusting may be according to the determined operating channel and/or band to commence communications of the specific service between the first communicating device and the one or more second communicating devices. Operation of the method proceeds to Step S5600.
  • Step S5600 communications may be established and maintained between the first communicating device and the one or more second communicating devices according to the specific service and over the determined operating channel and/or band. Operation of the method proceeds to Step S5700, where operation of the method ceases.
  • the disclosed embodiments may include a non-transitory computer-readable medium storing instructions which, when executed by a processor, may cause the processor to execute the steps of a method as outlined above.
  • exemplary systems and methods reference certain conventional "known" methods or components to provide a brief, general description of suitable communication and processing environments in which the subject matter of this disclosure may be implemented for familiarity and ease of understanding.
  • embodiments of the disclosure may be provided, at least in part, in a form of hardware circuits, firmware or software computer-executable instructions. Exemplary embodiments may carry out the specific functions described, including as program modules to be executed by a processor that may execute the disclosed scheme for implementing a multi-band service discovery protocol.
  • program modules are understood to include routine programs, objects, components, data structures, and the like that perform particular tasks or implement particular data types in support of a specific function such as the disclosed implementing function.
  • the disclosed subject matter may be practiced in communication environments according to established networks and/or ad hoc networks.
  • the disclosed subject matter may be practiced in peer-to-peer communications established to execute specified data exchange or cooperative application execution for a specified period of time.
  • the disclosed communication schemes may be executed with many types of communicating devices These communicating devices may include, but are not limited to, wireless devices, wireless access points, wireless transmitters, and wireless receivers. These communicating schemed may be used with many different fixed, semi-fixed, or mobile classes and configurations of communication equipment and/or computing systems.
  • Embodiments may be practiced in distributed network communication environments where tasks are performed by local processing systems and devices, generally as outlined above. Some components may be linked to each other by hardwired links, wireless links, or a combination of the two through a cooperating communication network. In a distributed network environment, program modules, and any stored data or programs, may be located in both local and remote data storage devices.
  • embodiments according to this disclosure may also include computer-readable media having stored computer-executable instructions or data structures recorded thereon. These recorded instructions or data structures may be accessed, read and executed by a particular module or device, or system, in, for example, a mobile or fixed wireless communicating device.
  • Such computer-readable media can be any available media that can be accessed by a processor in, or in communication with, such a wireless device executing a service discovery protocol for multi-band service discovery as outlined above.
  • such computer-readable media can comprise RAM, ROM, EEPROM, CD-ROM, DVD-ROM, flash drives, thumb drives, data memory cards or other analog or digital data storage devices that can be used to carry or store desired program elements or steps in the form of accessible computer-executable instructions and/or data structures.
  • the receiving processor When information is transferred or provided over a network or another communications connection the receiving processor properly views the connection as a computer-readable medium.
  • any such connection is properly termed a computer-readable medium.
  • Computer-executable instructions include, for example, non-transitory instructions and data that can be executed and accessed respectively to cause communicating components, including wireless communicating components, or processors associated with such components, to perform certain of the above-specified functions, individually or in combination.
  • Computer-executable instructions also include program modules that are remotely stored for access by a communicating device or system to be executed by processors in the communicating device or system when the communicating device or system is caused to communicate across any available communication link, particularly those described in exemplary manner above.
  • the exemplary depicted sequence of executable instructions, or associated data structures for executing those instructions, represents one example of a corresponding sequence of acts for implementing the functions described in the steps.
  • the steps of the method, as depicted in FIG. 5 are not intended to imply that all of the depicted and described steps must be executed as part of a complete method, or that the steps must be executed in any particular order, except as may be necessarily inferred when one of the depicted and described steps is a necessary precedential condition to accomplishing another of the depicted and described steps.
  • the depicted and described steps, where appropriate, may be executed in series or in parallel.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)
EP17178339.2A 2012-11-21 2013-06-18 Systèmes et procédés pour mettre en uvre une recherche de service multi-bande Active EP3242511B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/682,866 US9635603B2 (en) 2012-11-21 2012-11-21 Systems and methods for implementing multiple band service discovery
EP13857303.5A EP2923519A4 (fr) 2012-11-21 2013-06-18 Systèmes et procédés pour mettre en uvre une recherche de service multi-bande
PCT/US2013/046312 WO2014081470A1 (fr) 2012-11-21 2013-06-18 Systèmes et procédés pour mettre en œuvre une recherche de service multi-bande

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EP13857303.5A Division EP2923519A4 (fr) 2012-11-21 2013-06-18 Systèmes et procédés pour mettre en uvre une recherche de service multi-bande

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EP3242511A1 true EP3242511A1 (fr) 2017-11-08
EP3242511B1 EP3242511B1 (fr) 2023-06-07
EP3242511C0 EP3242511C0 (fr) 2023-06-07

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EP13857303.5A Withdrawn EP2923519A4 (fr) 2012-11-21 2013-06-18 Systèmes et procédés pour mettre en uvre une recherche de service multi-bande

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US (3) US9635603B2 (fr)
EP (2) EP3242511B1 (fr)
JP (1) JP6026668B2 (fr)
CN (2) CN105122893B (fr)
WO (1) WO2014081470A1 (fr)

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US9635603B2 (en) 2017-04-25
CN107196964B (zh) 2020-09-01
US10334508B2 (en) 2019-06-25
US20140141826A1 (en) 2014-05-22
EP2923519A4 (fr) 2016-08-03
EP3242511B1 (fr) 2023-06-07
JP2016502300A (ja) 2016-01-21
EP3242511C0 (fr) 2023-06-07
JP6026668B2 (ja) 2016-11-16
CN107196964A (zh) 2017-09-22
EP2923519A1 (fr) 2015-09-30
WO2014081470A1 (fr) 2014-05-30
US20200022071A1 (en) 2020-01-16
CN105122893B (zh) 2019-04-19
CN105122893A (zh) 2015-12-02
US11395213B2 (en) 2022-07-19
US20170251424A1 (en) 2017-08-31

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